Mainstays 37-Ounce Plastic Color Changing Tumbler, Teal

from LondonGal

This is a pretty large size tumbler at 37 oz and holds plenty of fluids for a nice drive in the car or just sitting on your patio with a good book. The plastic feels very sturdy and seems durable. The description says it is shatter resistant plastic but I have not tested this, of course. I'm a bi...

from Junkpunk

I wanted a big cup for iced tea and thought this would be fun to use! Thre color change works really well. You can see how full your cup is and if it's cold! It turns a bright pink where my iced drink is. The plastic is a nice smooth quality on the inside with a more grip able surface on the outs...

from CaliCatMom

This tumbler is nice sized, holds up well in the dishwasher and has become my favorite sweet tea cup. The only complaint is that it barely changes color. It goes from blue to darker blue. Not too exciting. Overall, it's a nice tumbler.

from Teacmacla

My kids love this tumbler!! Made from durable plastic they love the color changing when it get cold! I would definitely buy some more of these for the summer drinks on the deck!!

from Duane

I received this product in a timely manner. The product is sturdy and changes colors with temperature of beverage. The size of this product might be heavy for children if full so maybe half full would be more manageable for children.